Okla. Stat. tit. 12, § 3231
A. SERVING QUESTIONS; NOTICE. After commencement of the action, any party to the action may take the testimony of any person, including an opposing party, by deposition upon written questions. The attendance of witnesses may be compelled by the use of a subpoena. The deposition of a person confined in prison may be taken only by leave of court on such terms as the court prescribes.
2. The name or descriptive title and address of the officer before whom the deposition is to be taken.
A deposition upon written questions may be taken of a public or private corporation or a partnership or association or governmental agency in accordance with the provisions of paragraph 6 of subsection C of Section 3230 of this title.
Within thirty (30) days after the notice and written questions are served, a party may serve cross questions upon all other parties. Within ten (10) days after being served with cross questions, a party may serve redirect questions upon all other parties. Within ten (10) days after being served with redirect questions, a party may serve recross questions upon all other parties. The court may for cause shown enlarge or shorten the time.
A party desiring to take a deposition upon written questions shall serve them upon every other party with a notice stating:
Laws 1982, HB 1912, c. 198, § 8; Amended by Laws 1989, HB 1154, c. 129, § 7, eff. November 1, 1989; Renumbered from 12 O.S. § 3208 by Laws 1989, HB 1154, c. 129, § 14, eff. November 1, 1989.